Misc: What is a goat's offspring called?

Questions

what brand and color of underwear is marty wearing in back to the future?

in "the karate kid" what color did daniel have to paint miagi's house, as part of his training?

in national lampoon's vacation, what did the griswalds call their ugly green station wagon?

in which california city does poltergeist take place?

what did fletch's initials (i. m.) stand for?